Malicious PDF — malware analysis report

Static analysis result for SHA-256 94684a36d99b81ac…

MALICIOUS

PDF

44.0 KB Created: 2020-03-16 12:52:11 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: d461885a4c6b076f61b05050110ba38d SHA-1: 6317cb72a6fc2c4b701f5ab61998b4a55daf1aa9 SHA-256: 94684a36d99b81ac6f21e4e3afeffff76045b0c0e81a43ac10ffade0218e18b6
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'SE_PAYMENT_REDIRECT_LURE' suggests a potential business-email-compromise pattern, aiming to trick users into believing there are changes to payment instructions. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://monto.com.mx/uploads/1/3/0/9/130968985/130968985.html#smartwatch+xiaomi+amazfit+bip+manual
    • http://mail.bellyacresrvpark.com/uploads/1/3/0/2/130288830/ragodaramigatigasexe.pdf
    • http://mx.stthomasbythesea.org/uploads/1/3/0/5/130551303/6825104.pdf
    • http://www.spiralhtx.com/uploads/1/3/0/6/130621608/nuxoxubuk.pdf
    • http://teamstreaming.net/uploads/1/3/0/4/130488273/1bba2bf0aba.pdf
    • http://webdisk.shabuworcester.com/uploads/1/3/0/2/130271137/9794923.pdf
    • http://muktishakti.com/uploads/1/3/0/5/130590596/zalemupol.pdf
    • http://www.ecoledesamba.com/uploads/1/3/0/4/130488195/f3af658.pdf
    • http://myerstownboyscouts.com/uploads/1/3/0/3/130379921/sokuwawekalol.pdf
    • http://crisptosc.com/uploads/1/3/0/2/130273980/a649f.pdf
    • http://www.cleaner-america.com/uploads/1/3/0/2/130273790/xajuborifema-fitebum.pdf
    • http://clarissamosley.com.au/uploads/1/3/0/5/130543798/tusirujinolom-ramubida-sunivi.pdf
    • http://susansgardenminipigs.com/uploads/1/3/0/6/130620607/wibunisa_pomupajepor_xafus.pdf
    • http://malibusalsa.com/uploads/1/3/0/7/130740627/lizixoxenogidesisoji.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000077dd.bin
d47db0dab0a9f2b045a0736363c04418e2b4d21bf068cedbd20a23b24ae9bacc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77DD 8600 bytes
font_01_sfnt_off0000992b.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x992B 2616 bytes

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